EN • 10
ENGLISHFRANCAISNEDERLANDSESpAñoLITALIANoDEuTSCH
664Y0200.C
• A pump;
• A 3-way manual valve. This valve
can be motorised if required;
• Connection pipes that can be
used to connect a second heating
circuit;
• Two isolating valves;
• Connectors for the right or left
hand mounting of the expansion
vessel, the safety valve with
pressure gauge and the filling
valve. The expansion vessel is
not included.
Typicalsinglecircuitconfiguration
Drain
The drain cock and safety valve must be connected to the building
drain.
fig. 10 : ACV water kit
IMPORTANT
Asasafetymeasure,westronglyadvisethe
installationofathermostaticmixertoprevent
anyriskofburningtopersons.
INSTALLATIoN
HEATING CONNECTION
ACVwaterkit
ACV can supply an optional pre-assembled water kit.
This kit comprises:
DOMESTIC HOT WATER CONNECTION
Pressurereducingvalve
If the mains water pressure exceeds 6 bar, a pressure reducing
valve calibrated to 4.5 bar must be installed.
Safetygroup
The safety group of the water tank must be approved by ACV
and calibrated to 7 bar; the group's valve discharge must be
connected to the drain.
Hotwaterexpansionvessel
Installing a hot water expansion vessel will prevent any risk of
excess pressure due to water hammer or pressure fluctuations.
Hotwatercirculation
If the water tank is a long way from the point of use, installing a
closed recirculation circuit can ensure a faster hot water drawoff
at any time.
Typicalcircuitwiththermostatvalve
1. Safety group
2. Pressure reducing valve
3. Thermostatic mixer
4. Hot water pump
5. Non-return valve
6. Hot water expansion vessel
7. Cold water supply tap
8. Drawoff tap
9. Drain cock
10. Air vent
11. Isolating valve
fig. 11 : Heating system connection
9
5
6
2
1
3
8 8
4
7
1. 3-way motorised mixer
valve
2. Safety valve calibrated to
3 bar, with pressure gauge
3. Pump
4. Non-return valve
5. System filling valve
6. Expansion vessel
7. Controller ACV 13.00 (see
Controller Kit on page 9)
8. Isolating valve, heating
system
9. Drain cocke
fig. 12 : Domestic hot water system connection
7
3
10
11
8
4
5
6
9
5
2
1
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